<!DOCTYPE html>
<style>
.box {
  width: 100px;
  height: 100px;
  background-color: #00ff00;
  transform: translateX(100px);
}
</style>

<div id="target" class="box"></div>
<script>
  if (window.testRunner)
    testRunner.setPageZoomFactor(2);
</script>
